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Open Source Software: Security Principles and Practices

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Open Source Software: Security Principles and Practices

CISA released new guidance on secure use, evaluation, and publication of open source software, addressing risk management across the software lifecycle. The guidance introduces the C4 Framework for trust assessment and provides recommendations for vulnerability management, software bill of materials, secure development, and open source artificial intelligence systems.

Why it matters: Federal agencies and organizations relying on open source components in critical systems need this framework to reduce supply chain risk and manage OSS vulnerabilities systematically.

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